摘要
以黄淮地区为例,分析了秸秆还田对农作物病虫害的影响,包括:秸秆还田为小麦纹枯病重发提供了充足菌源;小麦全蚀病发生面积增加、危害程度加重;小麦赤霉病由偶发病害变为常发病害;蜗牛由次要虫害变成主要虫害;新发虫害二点委夜蛾危害加重.同时提出了农业措施、物理防治、化学防治等对策.
Abstract
With Huang-Huai Area as the research case,effects of returning crop stalks to the field on the crop diseases and pests were analyzed,which included returning crop stalks to the field providing sufficient pathogen for wheat sharp eyespot,increase of occurrence area and damage degree of take-all disease of wheat,wheat scab changing from accidental to common disease,snail changing from secondary insect pests to primary pest,and aggravated damage of Athetis lepigone.At the same time,countermeasures were put forward,such as agricultural measures,physical control,and chemical prevention.
国家科技期刊平台
NSTL
维普
万方数据